Simon Lake and his "salvage tube" submarine in the East River in search of sunken gold off New York City

A submarine of unusual design moored in the East River during a break from its search for sunken gold off New York City, United States. Men getting aboard the submarine. Man emerges from the submarine hatch. The submarine's inventor, Simon Lake, removes his hat and poses for a photograph. His "salvage tube" apparatus was searching New York's Hells Gate for the wreckage of the British frigate HMS Hussar that sunk with gold and silver aboard in 1780.